Received this unit a few days ago. The case and interior are engineering beauty. The case disassembles easily, and the layout makes everything accessible. The system itself is very speedy; it rivals my full-sized desktop i5. I was able to upgrade to Windows 10 in under an hour.
The only downside is that when I ran some diagnostics the included SSD shows over 12,000 use-hours, so it really needs to be replaced. When I pulled it out (swapped for Crucial MX200) the manufacture date is early 2012. Drop $70 on a newer (faster) SSD and this machine is an outstanding option.